In CSS, selectors play a crucial role in determining how your styles are applied to HTML elements. Among the various selectors available, the adjacent sibling selector (+) is particularly useful when you want to style an element that immediately follows another. In this blog post, we'll dive deep into what the adjacent sibling selector is, how it works, and why it's essential for styling in your web projects.
What is the Adjacent Sibling Selector?
The adjacent sibling selector is a CSS selector that allows you to select an element that directly follows another element, provided both elements share the same parent.
The syntax for the adjacent sibling selector is:
Example
selector1 + selector2 { /* CSS properties */ }
1. selector1: The preceding element.
2. selector2: The element that immediately follows selector1.
Why is it Called the "Adjacent Sibling Selector"?
The name "adjacent sibling selector" accurately describes its function:
1. Adjacent: The selector only targets an element that comes immediately after another element, without any elements in between.
2. Sibling: The two elements must share the same parent, making them siblings in the DOM structure.
This specificity makes the adjacent sibling selector a powerful tool for applying styles precisely where you need them.
adjacent-sibling-selector.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Hyperlink Pseudo-selectors Example</title> <link rel="stylesheet" href="../../css/selectors/adjacent-sibling-selector.css"> </head> <body> <h2>Introduction</h2> <p>This is the first paragraph after the heading.</p> <p>This is the second paragraph.</p> <h2>Another Section</h2> <p>This is the first paragraph after another heading.</p> <p>This is another paragraph in the section.</p> </body> </html>
adjacent-sibling-selector.css
h2 + p { font-size: 1.5em; color: green; }
Above snippet generate below screen.
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